Osmium

facet 76 of periodic table is Osmium with atomic number 76, atomic weight 190.23. Osmium, price Os, has a simple Hexagonal structure and also SlateGray color. Osmium is a change metal element. Recognize everything about Osmium Facts, physical Properties, chemical Properties, electronic configuration, Atomic and Crystal Structure.


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Osmium (from Greek osme (ὀσμή) an interpretation "smell") is a chemical element with prize Os and also atomic number 76. The is a hard, brittle, bluish-white change metal in the platinum team that is found as a trace element in alloys, mostly in platinum ores. Osmium is the densest naturally arising element, with a thickness of 7004225900000000000♠22.59 g/cm3.

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Osmium Facts

Read key information and also facts about element Osmium

surname Osmium
atomic Number 76
atomic Symbol Os
Atomic weight 190.23
step Solid
shade SlateGray
Classification transition metal
team in routine Table 8
Group Name iron family members
duration in periodic Table 6
Block in routine Table d-block
Electronic Configuration 4f14 5d6 6s2
Melting point 3033 °C
Boiling point 5012 °C
Electronic shell Structure <2, 8, 18, 32, 14, 2>
CAS Number CAS7440-04-2

neighborhood
43
Tc
44
Ru
45
Rh
75
Re
76
Os
77
Ir
107
Bh
108
Hs
109
Mt
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
1
1
H
2
He
2
3
Li
4
Be
5
B
6
C
7
N
8
O
9
F
10
Ne
3
11
Na
12
Mg
13
Al
14
Si
15
P
16
S
17
Cl
18
Ar
4
19
K
20
Ca
21
Sc
22
Ti
23
V
24
Cr
25
Mn
26
Fe
27
Co
28
Ni
29
Cu
30
Zn
31
Ga
32
Ge
33
As
34
Se
35
Br
36
Kr
5
37
Rb
38
Sr
39
Y
40
Zr
41
Nb
42
Mo
43
Tc
44
Ru
45
Rh
46
Pd
47
Ag
48
Cd
49
In
50
Sn
51
Sb
52
Te
53
I
54
Xe
6
55
Cs
56
Ba
72
Hf
73
Ta
74
W
75
Re
76
Os
77
Ir
78
Pt
79
Au
80
Hg
81
Tl
82
Pb
83
Bi
84
Po
85
At
86
Rn
7
87
Fr
88
Ra
104
Rf
105
Db
106
Sg
107
Bh
108
Hs
109
Mt
110
Ds
111
Rg
112
Cn
113
Nh
114
Fl
115
Mc
116
Lv
117
Ts
118
Og
Lanthanides
57
La
58
Ce
59
Pr
60
Nd
61
Pm
62
Sm
63
Eu
64
Gd
65
Tb
66
Dy
67
Ho
68
Er
69
Tm
70
Yb
71
Lu
Actinide
89
Ac
90
Th
91
Pa
92
U
93
Np
94
Pu
95
Am
96
Cm
97
Bk
98
Cf
99
Es
100
Fm
101
Md
102
No
103
Lr

check out our interactive regular table


How to find Osmium on routine Table

Periodic table is arranged by atomic number, variety of protons in the nucleus which is very same as number of electrons. The atom number boosts from left come right. Periodic table beginning at optimal left ( atom number 1) and also ends at bottom ideal (atomic number 118). Therefore you can straight look for atomic number 76 to discover Osmium on regular table.

Another method to read periodic table and locate an aspect is through using group number (column) and duration number (row). To locate Osmium on routine table look because that cross ar of group 8 and period 6 in the contemporary periodic table.

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Table the Contents


History
Abundance
Physical Properties
Thermal Properties
Crystal Structure
Atomic & orbital Properties
Chemical Properties
Isotopes
Health and also Safety Parameters and Guidelines
Databases
Compare Osmium with various other elements

Osmium History

The element Osmium was uncovered by Smithson Tennant in year 1803 in uk . Osmium obtained its surname from the Greek osmè, an interpretation "smell"

Osmium Presence: variety in Nature and Around Us

The table listed below shows the diversity of Osmium in Universe, Sun, Meteorites, Earth"s Crust, Oceans and also Human Body.

Ppb by load (1ppb =10^-7 %)
diversity in cosmos 3×10-7%
diversity in sun 2×10-7%
diversity in Meteorites 6.6e-07
Abundance in Earth"s crust 1.8×10-7%
abundance in oceans N/A
abundance in people N/A

Crystal framework of Osmium

The heavy state structure of Osmium is Simple Hexagonal.

The decision structure deserve to be described in terms of its unit Cell. The unit cells repeats itself in 3 dimensional space to type the structure.

Unit cabinet Parameters

The unit cell is stood for in terms of its lattice parameters, which room the lengths of the cabinet edges Lattice Constants (a, b and also c)

a b c
273.44 273.44 431.73 pm

and the angles in between them Lattice angle (alpha, beta and also gamma).

alpha beta gamma
π/2 π/2 2 π/3

The positions of the atoms within the unit cabinet are explained by the collection of atom positions ( xi, yi, zi) measured native a reference lattice point.

The symmetry properties of the decision are described by the concept of room groups. All feasible symmetric species of corpuscle in three-dimensional space are described by the 230 an are groups (219 unique types, or 230 if chiral duplicates are considered distinct.

space Group surname P63/mmc
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room Group Number 194
Crystal structure Simple Hexagonal

Osmium Atomic and also Orbital Properties

Osmium atoms have actually 76 electrons and also the digital shell framework is <2, 8, 18, 32, 14, 2> through Atomic ax Symbol (Quantum Numbers) 5D4.


atomic Number 76
Number of electrons (with no charge) 76
Number that Protons 76
Mass Number 190
Number that Neutrons 114
Shell structure (Electrons per power level) <2, 8, 18, 32, 14, 2>
Electron construction 4f14 5d6 6s2
Valence Electrons 5d6 6s2
Oxidation State -4;-2;-1 1;2;3;4;5;6;7;8
Atomic hatchet Symbol (Quantum Numbers) 5D4

Shell structure of Osmium - electron per power level


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Ground State digital Configuration that Osmium - neutral Osmium atom

The floor state electronic configuration of Neutral Osmium atom is 4f14 5d6 6s2. The portion of Osmium configuration the is identical to the noble gas of the preceding period, is abbreviated as . Because that atoms with countless electrons, this notation have the right to become lengthy and therefore an abbreviated notation is used.This is essential as the is the Valence electrons 4f14 5d6 6s2, electron in the outermost shell that determine the chemical properties that the element.

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Unabbreviated electronic configuration that neutral Osmium

Complete soil state electronic configuration for the Osmium atom, Unabbreviated digital configuration

1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d6 6s2

Atomic structure of Osmium

Osmium atomic radius is 185 pm, if it"s covalent radius is 128 pm.

atom Radius

185 afternoon (1.85 Å)

Atomic Volume 8.42098273572 cm3
Covalent Radius 128 afternoon (1.28 Å)
valve der Waals Radius N/A
neutron Cross section 15 σa/barns

Atomic Spectrum of Osmium

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Osmium chemical Properties: Osmium Ionization Energies and electron affinity

The electron affinity of Osmium is 106.1 kJ/mol

Valence 6
Electronegativity 2.2
ElectronAffinity 106.1 kJ/mol

Ionization power of Osmium

Refer come table below for Ionization energies the Osmium

Ionization power number Enthalpy - kJ/mol
1 840
2 1.6×103

Osmium physics Properties

Refer to below table for Osmium physical Properties

thickness 22.59 g/cm3
Molar Volume 8.42098273572 cm3

Elastic Properties

Young Modulus N/A
Shear Modulus 222 GPa
mass Modulus N/A
Poisson proportion 0.25

Hardness that Osmium - exam to measure up of Hardness the Element

Mohs Hardness 7 MPa
Vickers Hardness N/A
Brinell Hardness 3920 MPa

Osmium electrical Properties

Osmium is Conductor of electricity. Refer to table below for the electrical properties the Osmium

electrical Conductivity 1.2×107 S/m
Resistivity 8.1×10-8 m Ω
Superconducting point 0.66

Osmium Heat and Conduction Properties

thermal Conductivity 88 W/(m K)
Thermal growth 5.1×10-6 K-1

Osmium Magnetic Properties

Magnetic type Paramagnetic
Curie point N/A
fixed Magnetic Susceptibility 6×10-10
Molar Magnetic Susceptibility 1.1×10-10
Volume Magnetic Susceptibility 1.4e-05

Optical properties of Osmium

Refractive index N/A

Acoustic nature of Osmium

speed of Sound 4940 m/s

Osmium heat Properties - Enthalpies and thermodynamics

Refer come table listed below for heat properties of Osmium

Melting allude 3306 K (3033 °C)
Boiling suggest 5285 K (5012 °C)
an essential Temperature N/A
Superconducting point 0.66

Enthalpies that Osmium

heat of blend 31 kJ/mol
warm of Vaporization 630 kJ/mol
heat of burning N/A

Osmium isotope - atom Properties that Osmium

Isotopes the rhodium. Naturally occurring Osmium has 6 steady isotope - 184Os, 187Os, 188Os, 189Os, 190Os, 192Os.


Isotope Isotope fixed % diversity T half Decay setting
162Os
163Os
164Os
165Os
166Os
167Os
168Os
169Os
170Os
171Os
172Os
173Os
174Os
175Os
176Os
177Os
178Os
179Os
180Os
181Os
182Os
183Os
184Os 0.02% stable N/A
185Os
186Os 1.59%
187Os 1.96% secure N/A
188Os 13.24% secure N/A
189Os 16.15% steady N/A
190Os 26.26% secure N/A
191Os
192Os 40.78% secure N/A
193Os
194Os
195Os
196Os

Regulatory and also Health - Health and also Safety Parameters and Guidelines

CAS Number CAS7440-04-2
RTECS Number RTECSRN1100000
dot Hazard course 4.1
dot Numbers 3089
EU Number N/A
NFPA Fire Rating 4
NFPA dangers N/A
NFPA wellness Rating N/A
NFPA Reactivity Rating 1
Autoignition point N/A
Flashpoint N/A

Database Search

list of distinct identifiers to search the facet in miscellaneous chemical registry databases

Database id number
CAS Number - chemical Abstracts organization (CAS) CAS7440-04-2
CID Number CID23937
Gmelin Number N/A
NSC Number N/A
RTECS Number RTECSRN1100000

Compare Osmium with all Group 8 elements

Osmium vs steel Osmium vs Ruthenium Osmium vs Hassium

Compare Osmium through all transition metal elements

Osmium vs Scandium Osmium vs Titanium Osmium vs Vanadium Osmium vs Chromium Osmium vs Manganese Osmium vs steel Osmium vs Cobalt Osmium vs Nickel Osmium vs Copper Osmium vs Zinc Osmium vs Yttrium Osmium vs Zirconium Osmium vs Niobium Osmium vs Molybdenum Osmium vs Technetium Osmium vs Ruthenium Osmium vs Rhodium Osmium vs Palladium Osmium vs silver Osmium vs Cadmium Osmium vs Hafnium Osmium vs Tantalum Osmium vs Tungsten Osmium vs Rhenium Osmium vs Iridium Osmium vs Platinum Osmium vs yellow Osmium vs Mercury Osmium vs Rutherfordium Osmium vs Dubnium Osmium vs Seaborgium Osmium vs Bohrium Osmium vs Hassium Osmium vs Meitnerium Osmium vs Darmstadtium Osmium vs Roentgenium Osmium vs Copernicium